Alliance players are sent to the Shady Lady in Stormwind. Inside you'll find Hudson Barnes (initially with a white question mark above his head). After he finishes a small dialogue, the question mark will turn yellow.

Horde players are sent to Son Salvage in Orgrimmar. Inside you'll find Delian Sunshade (initially with a white question mark above his head). After he finishes a small dialogue, the question mark will turn yellow.

Alliance players: Strange Dust can be purchased from Jessara Cordell in a Cordell Enchanting in the Mage Quarter of Stormwind. Crystal Vials can be bought from most Trade Supplies and General Goods vendors, Eldraeith inside the store Alchemy Needs in the Mage Quarter of Stormwind is a good choice seeing as she's so close to Jessara Cordell. Blood Nettle can be found around the trees and bushes in the fields north of Stormwind's Dwarven District. Return to Hudson Barnes after you've gathered all of the items.

Horde players: Strange Dust can be purchased from Kithas inside Godan's Runeworks in the Drag in Orgrimmar. Crystal Vials can be bought from most Trade Supplies and General Goods vendors, Brunda inside her shop in the Drag in Orgrimmar is a good choice seeing as she's so close to Kithas. Blood Nettle can be found in the Valley of Wisdom. Return to Delian Sunshade after you've gathered all of the items.

Alliance players: Head to Cathedral of Light and then enter the Catacombs. Turn left at the T intersection and then left once more. Once there, an NPC willl go through a dialogue and then spawn a level appropriate voidwalker. Kill the voidwalker and then loot the crate.

Horde players: Head to the courtyard in the Ruins of Lordaeron. Across from the room containing the orb to go to Silvermoon City is a room. Inside, an NPC will go through a dialogue. Kill the NPC and loot the crate.

Alliance players are given the quest What Now?. Horde players are given the quest What Now?.

Alliance players: You can either return the crate to Anson Hastings at the Gilded Rose in Stormwind or Hudson Barnes at the Golden Keg in Stormwind.

Horde players: You can either return the crate to Edgar Goodwin at the Broken Tusk in Orgrimmar or Delian Sunshade at the Wyvern's Tail in Orgrimmar.